Atlas is a successful chef and restaurant owner who has built a stable life after experiencing homelessness in his youth. Empathetic and protective, he cooks to express care and provide comfort to those around him. He harbors deep feelings for his childhood love, Lily, and seeks to support her while handling the sudden reappearance of his estranged family members.

Lily is a young single mother and domestic violence survivor who owns a floral business. She remains determined to break the cycle of abuse she witnessed in her childhood while dealing with the complexities of co-parenting with her volatile ex-husband. Cautious but resilient, she slowly allows herself to trust her instincts as she reconnects with Atlas.

Ryle is a successful surgeon and Lily's ex-husband. He struggles with severe anger issues and refuses to take full accountability for his past abusive actions. Intensely jealous of Lily's history with Atlas, Ryle constantly pushes the limits Lily sets, using their shared custody of their daughter as leverage to maintain a presence in her life.

Josh is an eleven-year-old boy experiencing neglect and abuse at the hands of his mother. Seeking stability and a sense of belonging, his sudden presence forces Atlas to confront his own childhood trauma. Josh cautiously accepts the support offered to him as he searches for a safe environment.

Theo is the precocious and opinionated young son of Atlas's coworker. He acts as a humorous, unofficial therapist for Atlas, offering surprisingly mature advice on dating and communication. As he faces his own personal challenges regarding his identity, he finds a supportive ally in Atlas.

Allysa is Lily's best friend, coworker, and former sister-in-law. She balances her loyalty to Lily with her familial ties to her brother Ryle, directly acknowledging and never excusing his abusive behavior. She provides a vital support system for Lily, offering mediation during custody disputes and reliable childcare.

Jenny is Lily's mother and a fellow survivor of domestic violence. Having lost her own voice due to her husband's abuse years ago, she now serves as a steady figure in her daughter's life. She frequently cares for her granddaughter, and her past experiences motivate Lily to enforce strict boundaries.

Sutton is the neglectful and abusive mother of Atlas and Josh. She contacts Atlas primarily when facing legal trouble regarding her younger son's truancy. Her erratic and uncaring behavior toward her children forces Atlas to step in as a guardian to protect his brother.

Emerson is the one-year-old daughter of Lily and Ryle. Her well-being and safety are Lily's primary motivations for setting strict rules regarding visitation. Her middle name, Dory, holds special significance to Lily and Atlas's shared past, which sparks intense conflict with Ryle.

Marshall is Allysa's supportive husband. He serves as a steady, reliable presence for both his wife and Lily, helping to mediate volatile conflicts and providing calm reassurance to Lily regarding her difficult decisions about his brother-in-law.

Brad is an employee and friend of Atlas. He works at Atlas's restaurant and provides a stable, dependable presence in the kitchen, while his son Theo offers Atlas personal advice.

Tim is Sutton's former husband, Atlas's former stepfather, and Josh's biological father. He lives in Vermont and represents a source of deep physical and emotional trauma for Atlas, stemming from severe abuse during Atlas's teenage years.