Lighter & Princess Episode 17

Zhi Jing is worried that the project submitted by Li Xun, Zhu Yun, and Jian Hong is better than his. To ensure he wins, he secretly meets with the sponsor so he can be awarded the star prize in return for more profits on his patent. Though Jian Hong captures the meeting on video, he deletes it, wanting Li Xun to finally lose to someone else. At the awards ceremony, Li Xun confronts Zhi Jing and puts his project to shame. (Source: frankly at MyDramaList)