Paine Underwood sinks the Coral Queen casino boat on Father's Day to stop illegal sewage dumping and is arrested.

Noah visits Paine in jail, where Paine asks his son to find proof of Dusty Muleman's illegal dumping.

Noah visits former Coral Queen mate Lice Peeking, who agrees to testify about the dumping if he is paid.

Jasper punches Noah at Snake Creek; Noah retaliates by hooking Jasper's shirt with a fly rod and capsizing his boat.

Noah and Abbey sneak out to watch the Coral Queen at night and are suddenly grabbed by Dusty's thug Luno.

Shelly's jeep is found with mysterious red stains and Lice has vanished, possibly silenced by Dusty's men.

Paine escapes from jail after finding his cell door unlocked, unaware a deal to drop charges was already arranged.

A judge orders Paine to wear an ankle tracker and remain under house arrest until the dumping case is resolved.

Shelly goes undercover as a bartender on the Coral Queen and personally witnesses sewage being pumped into the bay.

Abbey sneaks out alone with the family video camera to film the Coral Queen dumping, but the footage is too grainy.

Noah and Abbey reveal Operation Royal Flush to Shelly — a plan using fuchsia food dye to expose the illegal dumping.

Noah boards the Coral Queen and spends hours flushing fuchsia dye down the toilets while Shelly covers for him.

Luno corners Noah and Abbey at gunpoint on the dock; Grandpa Bobby appears and attacks Luno with a deck mop.

Noah calls the Coast Guard, and a helicopter follows the fuchsia water trail directly back to the Coral Queen.

Jasper and Bull accidentally ignite fireworks stored in the Coral Queen's hold, burning the casino boat to the waterline.

Paine Underwood sinks the Coral Queen casino boat on Father's Day to expose owner Dusty Muleman's practice of dumping raw sewage into the Florida Keys bay. After Paine is jailed, Noah takes up the fight by recruiting witnesses and allies, but Dusty's thugs intimidate anyone who threatens to testify. Noah and Abbey devise Operation Royal Flush — flushing fuchsia food dye down the Coral Queen's toilets to create visible evidence for the Coast Guard. Their daring mission succeeds when a helicopter traces the colored water trail directly back to the casino boat. Although Dusty initially escapes with a small fine, his own son accidentally burns down the Coral Queen during a reopening party, exposing years of embezzlement. Justice arrives not through official channels but through a combination of grassroots activism and sheer luck.

The headline events of Paine's fight to stop Dusty's illegal dumping.

Salvage crews work to raise the sunken Coral Queen while Jasper confronts Noah at the dock and threatens revenge.

Noah finds Donna crying at home; Abbey shows Noah a suitcase, hinting their mother may be planning to leave.

Paine tells Noah to offer Lice the valuable bone-fish skiff in exchange for a signed, notarized statement about the dumping.

Reporter Miles Umlatt interviews Noah at home about Paine's long history of impulsive environmental stunts and protests.

Lice forces Jasper to apologize to Noah and kicks the salvaged motor off Jasper and Bull's wheelbarrow as a warning.

Noah sneaks aboard the Coral Queen at night and discovers the holding tank is empty, rusty, and crumbling.

Donna calmly reveals to the escaped Paine that their lawyer had already arranged for Dusty to drop the criminal charges.

The Underwood family searches the docks for the missing Abbey and finds her calmly walking along the roadside.

Shelly tells Noah that a Coast Guard officer named Billy Babcock tips Dusty off about planned inspections in exchange for canceled debts.

Noah wades into human waste at Thunder Beach and tries to steer an endangered loggerhead turtle away from the contamination.

Paine is hired by Tropical Rescue to operate a rescue boat, bringing financial stability back to the Underwood family.

Bull arrives at Noah's home to apologize after the mysterious pirate frightened him and Jasper into changing their behavior.

Shelly protests that flushing dozens of dye tubes will take too long; Noah volunteers to handle one bathroom himself.

Noah and Abbey drift helplessly at sea overnight after their dinghy's engine throws a piston rod during their escape.

Grandpa Bobby announces his departure after a week-long visit, determined to return to South America and recover the Amanda Rose.

While Paine sits in jail, Noah works through a series of setbacks and small victories as he tries to build a case against Dusty Muleman. He attempts to recruit the unreliable Lice as a witness, uncovers a corrupt Coast Guard officer shielding Dusty's operation, and discovers that the Coral Queen's holding tank has been secretly left to crumble. Allies emerge along the way — Shelly infiltrates the casino boat, and a mysterious pirate figure repeatedly appears to protect Noah and Abbey from harm. As the scheme comes together, the family's emotional bonds are tested and slowly repaired as Paine finds steady work and the threat of divorce recedes. After the Royal Flush mission's dramatic escape at sea, Grandpa Bobby helps tie up the loose ends before announcing his departure to recover the stolen Amanda Rose.

The key supporting events, allies, and setbacks behind the main story.

Abbey warns Noah that Donna is seriously considering divorce and insists the family must do something before it's too late.

Noah stops lying and tells Shelly the full truth about Dusty's sewage dumping after she confronts his dishonesty.

Noah arrives at the jail to visit Paine and finds him giving a Miami TV interview instead of accepting bail.

Shelly tells Noah that Lice fled the trailer after being visited and intimidated by Luno and says she may help instead.

Noah and Abbey knock the satellite dish off-kilter with a fishing lure to prevent Donna from watching Paine's televised interview.

Paine shows genuine worry about losing Donna for the first time during a frank conversation with Noah on Thunder Beach.

Donna discovers Abbey has snuck out of the house and declares that all three of them will go search for her.

Paine tells Noah in jail that he is giving up the fight against Dusty and promises to be a more responsible father.

Noah and Abbey pool their money to buy fifty-seven dollars worth of fuchsia food coloring for Operation Royal Flush.

Noah jumps from the upper deck railing of the Coral Queen into the bay to escape two pursuing security guards.

Paine introduces the mysterious pirate who has been protecting Noah and Abbey as Grandpa Bobby, long presumed dead.

Grandpa Bobby reveals he went underground in South America after his partners tried to kill him and steal his charter boat.

Noah and Abbey confess all their secret activities to their parents, including Shelly's role and Luno's threats against them.

Arson investigators discover a hidden stash of cash in Dusty's onboard safe, proving embezzlement and income tax evasion.

The Underwood family sees the legendary green flash at sunset for the first time, floating above the sunken Coral Queen.

Beneath the main plot of environmental activism runs a series of personal turning points that determine how the Underwood family fights and ultimately survives Dusty Muleman's scheme. Domestic tension over Paine's reckless behavior pushes Noah and Abbey into action, since they fear their mother may leave for good. Key revelations — Lice's mysterious disappearance, Dusty's Coast Guard informant, and Shelly's decision to go undercover — shift the direction of the investigation at crucial moments. Noah's courage is tested when he must leap from the Coral Queen's upper deck into the bay, and a dramatic rescue at sea brings the long-missing Grandpa Bobby out of hiding at last. The final blow against Dusty is delivered not by the activists but by his own son, whose reckless accident destroys the boat and exposes deeper financial crimes. When the family finally witnesses the legendary green flash at sunset, it signals that their long fight for the environment has been rewarded.