MC died by blocking a sword to protect his general (... the ancient Yi Chenyan).
Then he transmigrated to the body of the modern Yang Anyu after the latter met with a car accident.
Feeling that the ML looks the same as his general, MC tried to get close to him. It was difficult at first because the original body has bad character, but later on, the ML noticed his change and gradually warmed up.
MC has a bright personality. One would adore how he shows his intimacy towards the ML.
ML frequently dreams of a young soldier. In the dream, whenever he tries to reach for him, the young soldier turns bloody. (... it is reasonable to say that he is the reincarnation of the ancient general).
ML debuted as a singer in the entertainment world, but something happened and ML couldn't sing anymore. So, he tried acting instead which led him to stardom.
ML married the original owner of MC's body for a reason. They were married for 6 months when the MC transmigrated.
ML's past was grim - his parents died, a friend betrayed him, and the man he treated like a father lied to him. These caused him to not trust other people again... until he met MC.
There's an extra chapter in the novel covering the story of the modern Yang Anyu. He transmigrated to the ancient times and eventually, had his own happy ending.
When Yize finally decided to confess, he invited Jian Jian to go on a travel which the latter agreed to. Unfortunately, the confession did not go well as Jian Jian was so surprised and had conflicting feelings towards the confession. Nonetheless, Yize was not discouraged and was even willing to wait for Jian Jian and that their previous agreement is no longer valid because he will never agree to a divorce. Jian Jian later on came into understanding how good Yize treated him and thought that there's no harm in giving themselves a try.
After their feelings had become mutual, there will be ups and downs but those problems originated from one person - the main antagonist of the story is Song Ting Yu's cousin - Gu Dong Cheng.
The last 100 or so chapters is about the story of Mu Chucheng (STY's friend who helped him when he was in jail) and Xi He (Su Ran's friend).