Where do people go after they die? Most think they get reincarnated, but here, if you don't reincarnate in time and wander around the underworld, you'll be fined. Lin Shi wandered around after dying, and verbally attacked Bai Wuchang, a government employee, causing him harm, so he's liable for a fine. The problem is, Lin Shi has no money.
Bai Wuchang: You can work to pay it off.
Lin Shi: Esteemed Lord Bai Wuchang, hello! Here's my resume.
This is a quick transmigration story about a ghost traveling through various small worlds and falling in love, though romance isn't the only thing it focuses on.