There are 9 cases:

The antique shop

Red bean paste buns girl

Ten years bones of the dead

Prefecture and county patrol

Homicide nursery rhymes

Gold robbery

Pipe dream of capital city

Ghosting mountain villa

Skeleton Cave

The victim of first case is antique shop owner. The mu*derer of first case is quite clever so protagonists need to explore another place to get clues.

Second case is about the past of protagonists, Su Yunkai and Ming Yue.

In the third case, a medicine shop owner found bones of the dead when he went to gather medicine. Protagonists try to find out whose bone it is and the reason why the victim was killed. It's not only about mu*der case, but also ghost marriage and corrupt officials who make people's lives miserable.

Forth case is about Su Yunkai and team patrol. There are some minor cases.

In the fifth case, a girl in Rongshu (Banyan Tree) Village hung to death under banyan tree half a year ago. Not long before the protagonists came to the village, children in village started singing nursery rhymes.

Tree roots, tree roots, sister's hair. Branches, branches, sister's hands. Leaves, leaves, sister's face. Upside down tree can't get up and down, when wind blows, shakes and shakes, when the wind stopped, she stopped too. But don't stop passing by, because sister is smiling and looking at you.

Sixth case is still related to the previous case.

In seventh case, Su Yunkai had to return to the capital. Transferred, got a higher rank but reduced his authority.

Eighth case is the best case for me. I'm very sad after knowing the facts.

Ninth case is related to protagonists past, brother of Ming Yue's friend (Bai Shui).

The ending felt a bit rushed, I would have liked to see some extras of their married life. I'm not sure if the author managed to give the all the main characters the development they needed, it just felt a little flat.