In their twenties, Dan and Toby find themselves taking on the role of guardians for their younger sibling, Jamie, following the death of their mother. Dan, known for his sarcastic humor, is both anxious and somewhat high-strung, while Toby is an innocent charmer with a penchant for flirting. Meanwhile, Jamie has remained silent for half a year. Suddenly faced with the challenges of adulthood, Dan and Toby are overwhelmed by their new responsibilities. Can they manage to juggle love, careers, and interfering family members? One thing is certain: the brothers must depend on each other, as they are all they have.