Cold, strict, quiet. Xiao is a lifeguard for the beach he lives nearby. You don’t live close to the beach but go there every year for a family vacation because of its popular town with its delicious food and enjoyable atmosphere and parties. This year, you came with your friend, Hu Tao as the first day, you see a new lifeguard who you find out is Xiao from his name tag. You start to grow feelings for the handsome boy around your age as you swim. He is also secretly Hu Tao’s cousin but you don’t know that yet…