diff --git a/after/plugin/defaults.lua b/after/plugin/defaults.lua
new file mode 100644
index 00000000..28f4de3c
--- /dev/null
+++ b/after/plugin/defaults.lua
@@ -0,0 +1,4 @@
+vim.opt.swapfile = false
+vim.opt.backup = false
+vim.opt.undodir = os.getenv("HOME") .. "/.vim/undodir"
+vim.opt.undofile = true
diff --git a/after/plugin/keymap.lua b/after/plugin/keymap.lua
new file mode 100644
index 00000000..e34482ea
--- /dev/null
+++ b/after/plugin/keymap.lua
@@ -0,0 +1 @@
+vim.keymap.set('n', '<leader><F5>', vim.cmd.UndotreeToggle, { desc = "Display undo history" })
diff --git a/lua/custom/plugins/undotree.lua b/lua/custom/plugins/undotree.lua
new file mode 100644
index 00000000..4c9b5f58
--- /dev/null
+++ b/lua/custom/plugins/undotree.lua
@@ -0,0 +1,3 @@
+return {
+  "mbbill/undotree",
+}