A modern PhD in engineering travels back in time to become Su Hao, the cousin of the Tang Dynasty Crown Princess, known as the 'Silly Su'. To repay the kindness of his sister, Lady Su, who raised him, he takes up twin hammers and vows to protect her at all costs. He cures the Crown Prince's leg ailment, produces refined salt to crush aristocratic clans, designs iron stoves to warm the imperial harem, and refines white sugar to fill the imperial treasury, using knowledge far ahead of his time to smooth the way for his sister. On the winter hunting grounds, when hundreds of death-sworn assassins ambush the Crown Prince, Su Hao carries Li Chengqian and leaps off a cliff. Relying on each other for survival amidst the treacherous imperial court, this brother and sister carve out a path to life for the Crown Prince and pave the way for Lady Su to ascend to the Empress's throne!

大唐憨婿之我姐姐是太子妃第三季

Silly Son-in-Law of the Great Tang: My Sister Is the Crown Princess - Season 3 - Episode 1

Silly Son-in-Law of the Great Tang: My Sister Is the Crown Princess - Season 3 (180 episodes)