Harper Talbot is a painfully shy bookstore owner in the town of Black Wood Falls. She has built a name for herself among the rare book collectors as the one to go to when searching for a rare book. She befriends a wolf shifter named George who gets sick and dies, leaving her his entire book collection. The wolf pack George belonged to are unhappy she is getting his books and start to cause problems for her. Regal Murphy is the alpha of the black panther pack in Black Wood Falls, he also owns a website building company and has been hired by Harper. The instant he meets her he knows she is the one for him. Unfortunately, she is painfully shy and has a hard time talking to him at first and it takes some convincing on his part to get her to go on a date. Together they have to figure out who is attacking Harper and trying to get their hands on George's massive book collection.

After living living her life until she was old and grey. Poison expert Lihua Lei died peacefully at an old age, surrounded by those she love. Expecting to rest in peace in the afterlife, Lihua Lei finds herself not in heaven, but instead her soul transmigrated into the body of a young 18 year old who died full of hatred and regret. The young girl's name is also Lihua Lei. She is the neglected legitimate daughter of the Prime Minister. Having been betrayed by her half sisters, Lihua finds herself poisoned, kidnapped and left for dead inside a cave for the animals to feast on her dead corpse. Lihua swore a death oath for revenge and found another soul replace her's as her soul starts to fade. "In exchange for giving me your body and letting me live a second life. This grandma promises to fulfill your last wish and take revenge on those who wronged you. To the littlest disagreement to the biggest betrayal, this grandma promises to pay them back tenfold so your soul can rest in peace." Grandma Lihua promised the young Lihua. "This grandma has already lived a life full of hardship and knows the sweet taste of peace, so this grandma isn't afraid to let them know what Lihua Lei's true colors are! This old grandma will show them not to mess with Lihua Lei!"