The story revolves around a radio host and comedian named Sebastian. The main character faces numerous problems in his current adult life. He has a complicated relationship with his ex-wife. Despite their separation, Sebastian still loves her. He tries to find his way in life, battling everyday problems and self-doubt. At the same time, Sebastian honestly tries to fulfill his parental responsibilities. Meanwhile, happiness seems so close, but constantly eludes the protagonist. He is "Casi Feliz" - almost happy.