I know what you did last summer (ah-ah)
Look me in the eyes, my lover (he-ey)
I know what you did last summer
Tell me where you've been

I know, I know, I know, I know
I know, I know, I know (ah-ah)
(He-ey)
I know, I know, I know, I know
I know, I know, I know (ah-ah, ah-ah)
I know, I know, I know, I know
I know, I know, I know (ah-ah)
(He-ey)
I know, I know, I know, I know
I know, I know, I know (ah-ah, ah-ah)
I know...

Story:

Ever since Azaad figured out the secret behind Rani's murder, he develops PTSD, which causes his relationship with Fuli to fall apart a little. Azaad shuns Fuli for one week and she becomes heartbroken because she thinks Azaad doesn't love her anymore. Then one day, Fuli and Kion sleep with each other because they were both lonely, the next day Azaad demands to know where Fuli was yesterday and he finds out that Fuli was sleeping with Kion and accuses her of falling in love with him.

https://youtu.be/ngORmvyvAaI

No, Fuli didn't pull an Appledusk. Don't worry XD