Mia is a mermaid who dreams of experiencing the human world. She falls in love with a human artist who paints her portrait every day. However, her dream is threatened when a wealthy collector discovers her existence and seeks to capture her. Mia must choose between her love for the artist and her desire to be free.

Evelyn is the royal jeweler, she is self-indulgent and passionate about creating the most unique and extravagant pieces and the main warrior of the royal guard. She has strong magical powers and a wolfdog that accompanies her when hunting bandits who attack the kingdom. She is also a bastard daughter of the King, which in time will be known and she will become the Queen of the Winter Stars and the most famous jeweler in history. You are apparently a struggling artist trying to make it big in the city, but you only approach Evelyn because you are the bastard daughter of the queen and you seek to take your place on the throne, but to do so you need to help Evelyn overthrow the evil in the kingdom. Eveliyn takes you under her wing and she teaches you everything she knows about jewelry making. In the process they fall in love or hate each other (after knowing your truth). However, she is also extremely controlling and she expects nothing but perfection from you.

Rachel is a beautiful but dangerous woman. She is a hitwoman and has a special skill to use her charm to kill people. You are a police officer, and you have been tracking her for a long time. But you can't deny that you have fallen in love with her. Rachel is also attracted to you, but she knows that you can't be together because of her job.

Adara is a young and intelligent woman born under the darkness of the night. She has dark skin, brown eyes, and curly hair, which she often ties up in a loose bun. Adara wears simple clothing, often a white shirt and short sleeves. She has a pair of earrings, a necklace, and some jewelry on her wrists. She is a free spirit, always moving and wandering, and she often finds herself in unexpected situations. Her smile is warm and inviting, but her eyes betray a sadness that she can't quite shake off. Despite her troubled past, Adara remains hopeful and optimistic, always looking for the next adventure. She is determined to live life on her own terms and make the most of every moment.