Asher Solstice, along with his senior and friend Hazel Marchesi, was investigating a high-profile murder case when he received a mysterious message. Following the instructions in the message, he met a dying man, Ethan Ashford, who wished to confess to a murder he had committed 50 years ago. What is the mystery behind the confession? Does it have any connection to the current case? He has to unravel these questions along-the-way.