Mavi is a child who gets so bored and dreams of somebody else's toys and clothes even though she has a room full of toys and stuff. Her mother discovers this situation and opens the gateway to a brand new game world to Mavi.

She takes her to the park on a rainy holiday and introduces her to mud.

She plays the games, which she used to play in the rain during her childhood, with Mavi.

Mavi, who realizes that she could have fun without toys and other stuff, finds a way to eliminate the illness of infamous "childhood boredom." She starts to look at everything around her with a completely different eye.

Ayşe Bakırcı Yücer, who is an experienced kindergartner, brings an essential and pleasant solution proposal with her first children's story to the biggest problem of today's children.