Layla Maloney has had enough of her boyfriend Sonny Koufax's idleness.This time, when a five-year-old boy, Julian, was suddenly left at Sonny's door, Sonny decided to take this opportunity to change his image - he took the initiative to take on the responsibility of taking care of Julian, trying to prove to Layla that he could also be a responsible man, and win back her gradually cooled heart. However, things are not that simple.As they spend time together, Sonny developed a sincere relationship with this innocent and lovely child, and even began to regard him as an indispensable part of his life.But what he didn't know was that Julian's real father was actually his roommate who was far away from home... A test of responsibility and growth quietly unfolds, and a floating heart is also inadvertently pulled and changed by innocent love.