It is Christmas at last! Penny Berry is spending the holidays at Berry Manor, her grandmother’s mansion in Scotland. One night, Octavia tells Penny Berry the plans she has for her granddaughter: she will travel to Shangri-La to attend a course on the gift of the astrosauria. There she will find the Golden tree which makes startling revelations to anyone who collects its fruits, one just needs to make the right questions… Penny is excited; perhaps the tree will reveal the whereabouts of her parents. Moreover, she is travelling with Pippa and Noel. Adventure guaranteed.