The thing my dad didn't say

The century-old shop "Tong Shunxiang" run by the Liu family has passed down its unique ice crystal cake making technology from generation to generation. However, his father Liu Tingshen (played by Zhang Guoli) has been unwilling to pass on the secret recipe to his son Liu Jiansan (played by Han Geng), causing misunderstandings and estrangement between father and son. In anger, Jian San chose to leave his father and go out to work hard. Many years later, when his father was seriously ill, Jian San came home to visit and finally discovered that the secret his father had hidden for many years was related to him...