When the three people in the flat accidentally swap bodies due to mysterious bracelets, they discover that this is just the beginning of chaos. Programmer Chen Yuan is addicted to becoming a lolita, but his girlfriend Lin Xi falls in love with the macho experience, and her rational best friend Su Na is struggling in the middle. In the ridiculous transformation adventures, they gradually realize that the important thing is not to change back to the "original", but how to become each other's most special family members in any form. A period of transcending gender, age and species, the most "chaotic" and warmest cohabitation relationship in history begins.
