Modern graduate student Xu Ningshu unexpectedly travels into a xianxia angst novel, binding with a system to act as a human shield for the tragic male lead Xiao Jue in exchange for a chance to return to reality. Xiao Jue bears a tragic background, suffering all kinds of hardships since childhood, with a sensitive and paranoid inner self. Misunderstandings abound within the sect, and secret realm adventures are fraught with danger, with the two protecting each other through crisis after crisis. Xu Ningshu is unwilling to toy with his true feelings, melting the cold ice in his heart with kindness. Accompanied by the old year's mysteries slowly emerging, everyone gets drawn into dangerous instances, and they must face past pains head-on, break through heavy perils, and search for their own destined home.